11. The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
12. If the length of an intermediate span of a continuous slab is 5 m, the length of the end span is kept
13. If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge
14. A foundation is called shallow if its depth, is
15. If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by
16. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis
17. An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam
18. A pre-stressed rectangular beam which carries two concentrated loads W at $$\frac{{\text{L}}}{3}$$ from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is
19. According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is
20. If the permissible compressive stress for a concrete in bending is C kg/m2, the modular ratio is
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